针对癌症的组合性细菌疗法的理性工程
Paige Steppe1, Katherine O'Connor1, Jeff Hasty2,3,4
1Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, 92093, CA, United States.
Genome biology
|January 29, 2026
概括
工程细菌正在彻底改变癌症治疗方法. 合成生物学的进步允许精确控制细菌功能,创造强大的新微生物疗法,以增强瘤向和免疫参与.
科学领域:
- 合成生物学 合成生物学
- 微生物治疗药物 微生物治疗药物
- 癌症治疗 治疗 癌症治疗
背景情况:
- 工程细菌是一种快速发展的癌症治疗药物.
- 合成生物学提供了新的遗传工具来控制细菌的功能,如衰减,有效载荷传递和免疫系统调节.
- 细菌现在是复杂的治疗应用的多功能平台.
研究的目的:
- 审查最近基于电路的策略,用于癌症治疗中的工程细菌.
- 为了突出提高瘤特异性的进展,调节治疗输送,并参与免疫系统.
- 讨论临床转化中的挑战和微生物治疗的未来方向.
主要方法:
- 综述近期关于合成生物学和用于癌症治疗的工程细菌的文献.
- 对瘤向和免疫调节的基于电路的策略的分析.
- 检查时空控制和细菌联盟行为.
主要成果:
- 合成生物学可以对细菌衰减,有效载荷释放和免疫调节进行可编程的控制.
- 基于电路的策略增强瘤的特异性,并调节治疗的交付.
- 工程细菌可以被编程为时空控制和联盟行为,以吸引宿主免疫系统.
结论:
- 细菌的理性工程为下一代癌症治疗提供了一个有希望的途径.
- 合成生物学的进步正在将细菌转化为复杂的治疗剂.
- 克服临床翻译障碍对于工程微生物疗法的未来至关重要.
相关概念视频
Rational Emotive Behavior Therapy
423
Cognitive-behavioral therapies (CBTs) are grounded in the belief that our thoughts profoundly influence our emotions and actions. Advocates of CBT emphasize three core assumptions: first, that cognitions are identifiable and measurable; second, that they are central to psychological functioning; and third, that irrational or maladaptive beliefs can be replaced with rational and adaptive ones. This transformative approach to therapy has paved the way for specific models such as Albert...
423
Combinatorial Gene Control
9.6K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.6K
Cancer Therapies
10.2K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
10.2K
Targeted Cancer Therapies
8.9K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
8.9K
Rational Expressions
387
Rational expressions are algebraic fractions in which both the numerator and the denominator are polynomials. These expressions follow the arithmetic rules of numerical fractions but require extra care due to the presence of variables. A fundamental part of working with rational expressions is identifying values that make the expression undefined, typically those that result in division by zero or undefined radicals.Determining the DomainThe domain of a rational expression includes all real...
387
Rationalizing Substitutions
59
Integrals involving non-rational functions are often difficult to evaluate using standard techniques, especially when radicals appear in the integrand. Rationalizing substitution provides a systematic method for simplifying such integrals by converting them into rational forms that are easier to handle.Consider a rod whose linear mass density depends on a constant linear density, a characteristic length, and the distance from the left end of the rod. Determining the total mass requires...
59


